romney's forces are responding to new polls showing president obama leading in swing states. up by six in iowa, up by five in ohio, and ahead in other key states, including new hampshire, be virginia, florida, wisconsin, colorado, and nevada. and today, a major endorsement coming from new york city's independent mayor michael bloomberg. no question, this is a close race but today in wisconsin the president went after one of the key points in governor romney's closing argument to voters. >> the closing weeks of this campaign, governor romney has been using all his talents as a salesman to dress up these very same policies that failed our country so badly. and he is offering them change. he's saying he's the candidate of change. well, let me tell you, wisconsin, we know what change looks like. and what the governor is offering sure ain't change. >> it sure ain't change. but governor romney is good at changing on every position and doing anything to win. on the trail, he's trying to sound warm and cuddly. he's now taking a soft attack. the new york times quoting him on the trail